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BMC Health Serv Res. 2019 May 31;19(1):349. doi: 10.1186/s12913-019-4168-0.

TIME to reduce agitation in persons with dementia in nursing homes. A process evaluation of a complex intervention.

Author information

1
The Research Centre for Age-related Functional Decline and Disease, Innlandet Hospital Trust, Ottestad, Norway. bjorn.lichtwarck@sykehuset-innlandet.no.
2
Institute of Health and Society, Faculty of Medicine, University of Oslo, Oslo, Norway. bjorn.lichtwarck@sykehuset-innlandet.no.
3
The Research Centre for Age-related Functional Decline and Disease, Innlandet Hospital Trust, Ottestad, Norway.
4
Department of Public Health and Nursing, Faculty of Medicine and Health Sciences NTNU, Norwegian University of Science and Technology, Trondheim, Norway.
5
Institute of Health and Society, Faculty of Medicine, University of Oslo, Oslo, Norway.
6
Norwegian National Advisory Unit on Ageing and Health, Vestfold Hospital Trust, Vestfold, Norway.
7
Departement of Health, Care and Nursing, Faculty of medicine NTNU, Norwegian University of Science and Technology, Gjøvik, Norway.
8
Faculty of Health Sciences and Social Care, Molde University College, Molde, Norway.
9
Institute of Clinical Medicine, Campus Ahus, University of Oslo, Oslo, Norway.
10
HØKH, Research Centre, Akershus University Hospital, Lørenskog, Norway.

Abstract

BACKGROUND:

The Targeted Intervention Interdisciplinary Model for Evaluation and Treatment of Neuropsychiatric Symptoms (TIME) has recently in a three-month cluster randomised controlled trial demonstrated reduction in agitation in nursing home residents with dementia. To ease replication and future implementation, and to clarify possible causal mechanisms, we performed a process evaluation of the intervention based on the RE-AIM framework (Reach, Effectiveness, Adoption, Implementation, Maintenance).

METHODS:

An exploratory and a quasi-experimental design with mixed methods were used. The RE-AIM dimensions were explored by questionnaires to 807 staff members and 46 leading ward nurses in both the intervention nursing homes (INH) and the control nursing homes (CNH), before the start of the trial (baseline), and six and 12 months later. These questionnaires assessed data regarding the reach, effectiveness (staff level) and adoption dimensions. To assess implementation, we used a checklist for performance of the main components in TIME and analysed the minutes from 84 case conferences in the INH. To explore adoption and maintenance, five focus group interviews with 32 participants from the staff in the INH were conducted three to 6 months after the end of the trial.

RESULTS:

Reach: On average 61% (SD 22) of the staff in each ward in the INH attended the training sessions. Effectiveness at staff level: There were no between-group differences throughout the study period for attitudes towards dementia, perceived competence or perception of mastery and social interaction. Adoption: 16 of the 17 INH completed the intervention.

IMPLEMENTATION:

75% or more of the components of TIME were performed for 91% of the included residents. Maintenance: Most of the nursing homes used TIME three to 6 months after the end of the trial. An easy to grasp model and an engaged leadership facilitated the intervention and maintenance.

CONCLUSIONS:

A high degree of reach, adoption, implementation and maintenance contributed to the effectiveness of TIME at resident level. One other causal assumption of the effectiveness of TIME is the development in the staff of a new, shared and situated knowledge about each individual resident, not reflected by measurements in general knowledge and attitudes.

TRIAL REGISTRATION:

The trial was registered January 6, 2016 with ClinicalTrials.gov ( NCT02655003 ).

KEYWORDS:

BPSD; Case conferences; Complex interventions; Dementia; Implementation; Neuropsychiatric symptoms; Non-pharmacological interventions; Process evaluation; RE-AIM

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